PLS-DA and data fusion of visible Reflectance, XRF and FTIR spectroscopy in the classification of mixed historical pigments
Baddini, Ana Luísa de Queiroz, Santos, Jorge Luiz Victor de Paula, Tavares, Raquel Reiner, Paula, Leticia Silva de, Filho, Hiram da Costa Araújo, Freitas, Renato P.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.01.2022)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.01.2022)
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Investigating counterfeiting of an artwork by XRF, SEM-EDS, FTIR and synchrotron radiation induced MA-XRF at LNLS-BRAZIL
Pereira, Marcelo O., Felix, Valter S., Oliveira, Ana L., Ferreira, Douglas S., Pimenta, André R., Carvalho, Cristiano S., Silva, Fabricio L., Perez, Carlos A., Galante, Douglas, Freitas, Renato P.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05.02.2021)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05.02.2021)
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Analysis of silver coins from colonial Brazil by hand held XRF and micro-XRF
Felix, Valter S., Pereira, Marcelo O., Freitas, Renato P., Aranha, Paula J.M., Heringer, Pedro C.S., Anjos, Marcelino J., Lopes, Ricardo T.
Published in Applied radiation and isotopes (01.12.2020)
Published in Applied radiation and isotopes (01.12.2020)
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Analysis of 19th century ceramic fragments excavated from Pirenópolis (Goiás, Brazil) using FT-IR, Raman, XRF and SEM
Freitas, Renato P., Coelho, Filipe A., Felix, Valter S., Pereira, Marcelo O., de Souza, Marcos André Torres, Anjos, Marcelino J.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.03.2018)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.03.2018)
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Analysis of a European cupboard by XRF, Raman and FT-IR
Felix, Valter S., Mello, Ulisses L., Pereira, Marcelo O., Oliveira, Ana L., Ferreira, Douglas S., Carvalho, Cristiano S., Silva, Fabricio L., Pimenta, André R., Diniz, Marilia Garcia, Freitas, Renato P.
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.10.2018)
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.10.2018)
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Dose distribution in boron neutron capture therapy for the treatment of brain cancer
Pereira, Leandro O., Freitas, Renato P., Ferreira, Douglas S., Felix, Valter S., Gonçalves, Elicardo A.S., Pimenta, André R., de Sousa Dutra, Rafael, Xavier da Silva, Ademir
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.03.2020)
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.03.2020)
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Characterization of a sacred statuette replica of “Nossa Senhora da Conceição Aparecida” using X-ray spectrometry techniques
Sanches, Francis A.C.R. de A., Nardes, Raysa C., Filho, Hamilton S.G., dos Santos, Ramon S., de Araújo, Olga M.O., Machado, Alessandra Silveira, Calgam, Teresa, Bueno, Regina, Canellas, Catarine, Gonçalves, Elicardo A.S., Assis, Joaquim T., de Freitas, Renato P., de Oliveira, Davi F., Lopes, Ricardo T., dos Anjos, Marcelino J.
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.02.2020)
Published in Radiation physics and chemistry (Oxford, England : 1993) (01.02.2020)
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Analysis of a Brazilian baroque sculpture using Raman spectroscopy and FT-IR
Freitas, Renato P., Ribeiro, Iohanna M., Calza, Cristiane, Oliveira, Ana L., Felix, Valter S., Ferreira, Douglas S., Pimenta, André R., Pereira, Ronaldo V., Pereira, Marcelo O., Lopes, Ricardo T.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05.02.2016)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05.02.2016)
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Analysis of clay smoking pipes from archeological sites in the region of the Guanabara Bay (Rio de Janeiro, Brazil) by FT-IR
Freitas, Renato P., Ribeiro, Iohanna M., Calza, Cristiane, Oliveira, Ana L., Silva, Mariane L., Felix, Valter S., Ferreira, Douglas S., Coelho, Felipe A., Gaspar, Maria D., Pimenta, André R., Medeiros, Elanio A., Lopes, Ricardo T.
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.06.2016)
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15.06.2016)
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EDXRF and multivariate statistical analysis of fragments from Marajoara ceramics
Freitas, Renato P., Calza, Cristiane, Lima, Tania A., Rabello, Angela, Lopes, Ricardo Tadeu
Published in X-ray spectrometry (01.09.2010)
Published in X-ray spectrometry (01.09.2010)
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Análise do Douramento das Pinturas Decorativas da Berlinda de Aparato do Imperador D. Pedro II
Nardes, Raysa C., Sanches, Francis A. C. R. A., Santos, Ramon S., Gama Filho, Hamilton, Freitas, Renato P., Oliveira, Davi F., Assis, Joaquim T., Zanatta, Eliane M., Anjos, Marcelino J.
Published in Semina. Ciências exatas e tecnológicas (19.09.2023)
Published in Semina. Ciências exatas e tecnológicas (19.09.2023)
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Long-range correlation studies in deep earthquakes global series
Ferreira, Douglas S.R., Ribeiro, Jennifer, Oliveira, Paulo S.L., Pimenta, André R., Freitas, Renato P., Papa, Andrés R.R.
Published in Physica A (15.12.2020)
Published in Physica A (15.12.2020)
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Micro-XRF analysis of a Brazilian polychrome sculpture
Freitas, Renato P., Felix, Valter S., Pereira, Marcelo O., Santos, Ramon S., Oliveira, Ana L., Gonçalves, Elicardo A.S., Ferreira, Douglas S., Pimenta, André R., Pereira, Leandro O., Anjos, Marcelino J.
Published in Microchemical journal (01.09.2019)
Published in Microchemical journal (01.09.2019)
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Journal Article
INVESTIGANDO O PROCESSO DE CRIAÇÃO DA PINTURA “COSTUREIRAS” DE TARSILA DO AMARAL, DE 1950, POR IMAGENS UVL, IR E MA-XRF
Kajiya, Elizabeth, Pimenta, Andre, Felix, Valter, Junior, Nilton, Liarth, Roberto, de Souza, Claudia, Barbosa, Márcia, Muniz, Lucas, dos Santos, Robson, Pereira, Leandro, Gonçalves, Elicardo, de Freitas, Renato
Published in Química nova (2025)
Published in Química nova (2025)
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Journal Article
Correlation Properties in Worldwide and Synthetic Earthquake Networks
Ribeiro, Jennifer, Oliveira Júnior, Paulo S. L., Pereira, Leandro O., Freitas, Renato P., Pimenta, André R., Papa, Andrés R. R., Ferreira, Douglas S. R.
Published in Brazilian Journal of Geophysics (03.03.2022)
Published in Brazilian Journal of Geophysics (03.03.2022)
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Journal Article
Long-range correlation studies in deep earthquakes global series
Ferreira, Douglas S. R, Ribeiro, Jennifer, Oliveira, Paulo S. L, Pimenta, André R, Freitas, Renato P, Papa, Andrés R. R
Year of Publication 12.04.2020
Year of Publication 12.04.2020
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